Q: Is 210,231 a Prime Number?
A: No, 210,231 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 210231 can be evenly divided by 1 3 7 9 21 47 63 71 141 213 329 423 497 639 987 1,491 2,961 3,337 4,473 10,011 23,359 30,033 70,077 and 210,231, with no remainder.
Since 210,231 cannot be divided by just 1 and 210,231, it is not a prime number.